Square Fresnel Lens 30 x 30, 40 40, 50 50, 100 mm, PMMA, Acrylic, DIY Projector, Capacitor, Magnifying Glass (30 mm FL50 mm)

Precision molded PMMA Fresnel lens with 92% light transmission for efficient light concentration and beam control in DIY projectors, stage lights, flashlights and fishing lights. Available in multiple sizes (30 x 30 mm to 100 x 100 mm) with focal lengths from 28 mm to 150 mm and offers flexible options for various optical setups and experiments. The threaded surface (0.3mm or 0.5mm pitch) improves light scattering and focusing accuracy and is suitable for condenser applications and beam angle adjustment. The durable acrylic material can withstand temperatures from -40°C to +80°C and ensures reliable performance in both indoor and outdoor lighting or optical equipment. Ideal for optical research, product development, magnifying small details or upgrading LED lamps - each package includes a lens for your specific project needs.